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31022342434 = 2293733143281
BaseRepresentation
bin11100111001000100…
…110110000100100010
32222002000000021112201
4130321010312010202
51002013204424214
622130152243414
72145522363016
oct347104660442
988060007481
1031022342434
111217a338036
1260193a056a
132c05125955
141704130546
15c18770274
hex739136122

31022342434 has 16 divisors (see below), whose sum is σ = 48151348920. Its totient is φ = 14972186880.

The previous prime is 31022342399. The next prime is 31022342447. The reversal of 31022342434 is 43424322013.

It can be written as a sum of positive squares in 4 ways, for example, as 28552550625 + 2469791809 = 168975^2 + 49697^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144874 + ... + 288154.

Almost surely, 231022342434 is an apocalyptic number.

31022342434 is a deficient number, since it is larger than the sum of its proper divisors (17129006486).

31022342434 is a wasteful number, since it uses less digits than its factorization.

31022342434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147045.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31022342434 its reverse (43424322013), we get a palindrome (74446664447).

The spelling of 31022342434 in words is "thirty-one billion, twenty-two million, three hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 29 58 3733 7466 108257 143281 216514 286562 4155149 8310298 534867973 1069735946 15511171217 31022342434